Question

(a) Suppose mean of n observations is x. If we multiply each observation by S, then new mean will be(i) xIn x/5(iii) + 5(iv)X-5(b) The class with the maximum frequency is said to be(i) MedianO) Mode(iii) Mean(iv) None of these(c) Find the mean concentration of SO2 in the air.(0) 0.0750 ppm(ii) 0.085 ppm(iii) 0.0999 ppm(iv) 0.087 ppm(d) Find the median class of the given data.(i) 0.04 -0.08(ii) 0.08 – 0.12iu) 0.12 -0.16(iv) None of these(e) Find the number of localities, which have more than o.12 ppm.(i) 7Kürd(iii) 6(iv) 5​

Answer 1

Answer:

a/3) +5

b/1) median) mode

c/2) 0.085

d/2) 0.08-0.12) iu) 0.12-0.16

e/3) 6